Hardware
The signal these satellites broadcast is right-hand circular-polarized, which means you won’t be able to pick it up using the little antenna that came with your SDR dongle. A few antenna options are available to you, including a turnstile antenna, a quadrifilar helix antenna, or a V-dipole antenna. (For a more in-depth discussion of these and a few other antenna designs, make sure you check out the chapter on antenna theory and design.)
Although all of these options will work without any problems, it turns out that the easiest option to ...
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